Beget, J.E., 2010, Characterizing pyroclastic-flow interactions with snow and water using environmental magnetism at Augustine Volcano, chapter 11 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 269-283 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter11.pdf].
chapter PDF on USGS website